Patents by Inventor O-hyun Beak

O-hyun Beak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170295679
    Abstract: An electromagnetic interference (EMI) shielding structure and a method for manufacturing are provided. The EMI shielding structure includes a printed circuit board (PCB) on which a plurality of elements are mounted, an insulation molding member configured to cover the plurality of elements, a conductive shielding dam formed along a side surface of the insulation molding member, and a conductive shielding member formed on a top surface of the insulation molding member.
    Type: Application
    Filed: February 21, 2017
    Publication date: October 12, 2017
    Inventors: Kyong-il KIM, Keon KUK, Il-ju MUN, O-hyun BEAK
  • Publication number: 20170057161
    Abstract: An object forming apparatus and a controlling method thereof are provided. The object forming apparatus includes an injector configured to inject an object forming material based on object data, a base part in which an object is formed through stacking of the injected object forming material, a sensor configured to detect a height of the object stacked on the base part, and a controller configured to control the injector based on a signal output from the sensor.
    Type: Application
    Filed: August 5, 2016
    Publication date: March 2, 2017
    Inventors: Keon KUK, Eun-bong HAN, Young-dae KO, Hyeon-hyang KIM, O-hyun BEAK, Jun-hee LEE, Yeon-kyoung JUNG
  • Publication number: 20160262292
    Abstract: A circuit element package, a manufacturing method thereof, and a manufacturing apparatus thereof are provided. The circuit element package includes a circuit element disposed on a printed circuit board, an insulating layer covering the circuit element, a first shielding layer covering a side surface of the insulating layer, and a second shielding layer covering an upper surface of the insulating layer and electrically connected to the first shielding layer.
    Type: Application
    Filed: March 4, 2016
    Publication date: September 8, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keon KUK, Young-dae KO, O-hyun BEAK, Eun-bong HAN, Hyeon-hyang KIM, Yeon-kyoung JUNG, Il-ju MUN
  • Patent number: 9434838
    Abstract: A multi-color ink for 3D printing, a 3D printer, and a method of controlling the 3D printer are provided. The multi-color ink for 3D printing including a first ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, a first colorant, and an anti-intercolor bleed agent configured to prevent intercolor bleeding occurring when the plurality of ink compositions come into contact with each other, and a second ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, and a second colorant having an acid moiety involved in a reaction with the anti-intercolor bleed agent to cause aggregation. The multi-color ink for 3D printing may enable a clear image by inhibiting intercolor bleeding that occurs when ink compositions with different colors are printed to be adjacent to each other before curing during 3D printing.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeon Kyoung Jung, O Hyun Beak, Keon Kuk, Eun Bong Han, Yong Hyun Lim, Jong Youb Ryu
  • Publication number: 20160204073
    Abstract: A semiconductor package includes a semiconductor chip mounted on a substrate, an insulating layer covering at least a portion of the semiconductor chip and including a thixotropic material or a hot melt material, and a shielding layer covering at least a portion of the semiconductor chip and the insulating layer. A method of manufacturing the semiconductor package includes forming an insulating layer and a shielding layer having a high aspect ratio by using a three-dimensional printer.
    Type: Application
    Filed: January 8, 2016
    Publication date: July 14, 2016
    Inventors: O-hyun BEAK, Keon KUK, Yong-chul KO, Woon-bae KIM
  • Publication number: 20150183162
    Abstract: A three dimensional (3D) printer sprays and solidifies liquid ink to build a 3D object prevents implementation of unintended color due to a mix of different color ink, and increases 3D printing speed by enhancing the process of spraying and solidifying the ink. The control method of the 3D printer for building a 3D object by laminating a plurality of layers includes forming first areas not adjacent to each other in one of the plurality of layers and solidifying the first areas; and forming second areas adjacent to the solidified first areas and solidifying the second areas.
    Type: Application
    Filed: July 22, 2014
    Publication date: July 2, 2015
    Applicant: SAMSUNG ELECTRONICS CO.,LTD.
    Inventors: Keon KUK, O Hyun BEAK, Jong Woon PARK, Yeon Kyoung JUNG, Eun Bong HAN
  • Publication number: 20150094394
    Abstract: A multi-color ink for 3D printing, a 3D printer, and a method of controlling the 3D printer are provided. The multi-color ink for 3D printing including a first ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, a first colorant, and an anti-intercolor bleed agent configured to prevent intercolor bleeding occurring when the plurality of ink compositions come into contact with each other, and a second ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, and a second colorant having an acid moiety involved in a reaction with the anti-intercolor bleed agent to cause aggregation. The multi-color ink for 3D printing may enable a clear image by inhibiting intercolor bleeding that occurs when ink compositions with different colors are printed to be adjacent to each other before curing during 3D printing.
    Type: Application
    Filed: September 30, 2014
    Publication date: April 2, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yeon Kyoung JUNG, O Hyun Beak, Keon KUK, Eun Bong HAN, Yong Hyun LIM, Jong Youb RYU
  • Patent number: 8644749
    Abstract: A surface heating type heating unit for a fixing device, and a fixing device and an image forming apparatus including the same. The surface heating type heating unit includes a planar heating element on an outer circumferential surface of a supporter having cylindrical shape, a power feeding terminal at each end of the supporter, and a connector disposed between the planar heating element and the power feeding terminal. The connector is formed on a first region on the power feeding terminal, and includes an adhesive material for adhering the planar heating element and the power feeding terminal, and a conductive material formed on a second region of the power feeding terminal excluding the first region.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-seung Choi, Youn-gun Jung, O-hyun Beak, Soo-hwan Bae, Young-hoon Han, Su-in Lee, Eun-bong Han
  • Publication number: 20120087692
    Abstract: A surface heating type heating unit for a fixing device, and a fixing device and an image forming apparatus including the same. The surface heating type heating unit includes a planar heating element on an outer circumferential surface of a supporter having cylindrical shape, a power feeding terminal at each end of the supporter, and a connector disposed between the planar heating element and the power feeding terminal. The connector is formed on a first region on the power feeding terminal, and includes an adhesive material for adhering the planar heating element and the power feeding terminal, and a conductive material formed on a second region of the power feeding terminal excluding the first region.
    Type: Application
    Filed: October 5, 2011
    Publication date: April 12, 2012
    Applicant: SAMSUNG ELECTRONICS CO.,LTD.
    Inventors: Jin-seung Choi, Youn-gun Jung, O-hyun Beak, Soo-hwan Bae, Young-hoon Han, Su-in Lee, Eun-bong Han
  • Publication number: 20090231385
    Abstract: A method and apparatus of dot counting. The apparatus includes a nozzle portion having a length corresponding to a width of a printing medium, a dot counting unit to group head nozzles by position and to count a discharged dot count per line for each group, a control unit to determine whether the group has been used to print using the discharged dot count per line, a counter to count a number of times that the group is used to print based on the determination result, and a memory to store a sum of the counted numbers of times, in which the control unit controls the counter to count the number of times that the group is used to print with respect to each line of image data when the image data is created by a head chip, and a sum of the counted number of times is stored in the memory.
    Type: Application
    Filed: May 22, 2009
    Publication date: September 17, 2009
    Applicant: Samsung Electronics Co., Ltd
    Inventors: O-hyun BEAK, Tae-Kyun KIM
  • Patent number: 7552990
    Abstract: A method and apparatus of dot counting. The apparatus includes a nozzle portion having a length corresponding to a width of a printing medium, a dot counting unit to group head nozzles by position and to count a discharged dot count per line for each group, a control unit to determine whether the group has been used to print using the discharged dot count per line, a counter to count a number of times that the group is used to print based on the determination result, and a memory to store a sum of the counted numbers of times, in which the control unit controls the counter to count the number of times that the group is used to print with respect to each line of image data when the image data is created by a head chip, and a sum of the counted number of times is stored in the memory.
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: June 30, 2009
    Assignee: Samsung Electronics Co., Ltd
    Inventors: O-hyun Beak, Tae-kyun Kim
  • Publication number: 20090002427
    Abstract: A method of detecting a missing nozzle and an ink jet print head using the same, that can detect a missing nozzle immediately with a simple process when the missing nozzle is generated. The method of detecting a missing nozzle used in an ink jet print head provided with plural chambers in which an ink is filled, plural heaters corresponding to the chambers, and plural nozzles corresponding to the heaters, can include detecting a temperature of each of the nozzles, and when the detected temperature deviates from a predetermined temperature range, determining that the nozzle is a missing nozzle.
    Type: Application
    Filed: March 18, 2008
    Publication date: January 1, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae Sik MIN, Jae Young Chang, O Hyun Beak
  • Publication number: 20080297567
    Abstract: An ink-jet print head and a method of manufacturing the same capable of minimizing exfoliation or breakage of a protective layer. The ink-jet print head includes a heater layer which is provided on a substrate, a wire layer which is provided on the heater layer and is formed to expose a predetermined region of the heater layer, a protective layer which covers predetermined regions of the wire layer and the heater layer, and an over coat layer which covers evenly uneven portions on the protective layer.
    Type: Application
    Filed: February 20, 2008
    Publication date: December 4, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-Sik Min, O hyun Beak
  • Publication number: 20080022525
    Abstract: An inkjet printhead and a method of manufacturing the same are provided. The inkjet printhead includes a substrate; a plurality of heaters formed on an upper portion of the substrate for heating ink for generating bubbles; a plurality of metal-oxide semiconductor (MOS) field effect transistors (FETs) formed on the substrate for addressing the heaters and applying electric current to the heaters; first, second, and third interconnecting layers that are sequentially formed on the MOS FETs and electrically connected to each other for applying signals to the MOS FETs; a chamber layer for defining an ink chamber, which is filled with ink for ejection, on an upper portion of the heaters; and a nozzle layer having a nozzle, through which the ink is ejected, on an upper portion of the chamber layer.
    Type: Application
    Filed: September 27, 2007
    Publication date: January 31, 2008
    Inventor: O-hyun Beak
  • Publication number: 20070285471
    Abstract: An ink-jet print head and a method of making the same comprising the steps of sequentially laminating a heating layer and an electric conductive layer on a substrate, patterning the electric conductive layer to expose a predetermined area of the top surface of the heating layer, forming a protective layer on the top surfaces of the electric conductive layer and exposed heating layer, and laminating an ink chamber barrier and a nozzle plate on the top surface of the protective layer, thereby forming an ink chamber. The protective layer is provided by forming a cavitation layer by alternately laminating at least two types of thin film layers of different materials over the exposed heating layer and the electric conductive layer to resist fractures and oxidization resulting from use.
    Type: Application
    Filed: April 25, 2007
    Publication date: December 13, 2007
    Inventors: Sung-joon Park, O-hyun Beak, Young-ung Ha, Jae-sik Min
  • Patent number: 7293857
    Abstract: An inkjet printhead and a method of manufacturing the same are provided. The inkjet printhead includes a substrate; a plurality of heaters formed on an upper portion of the substrate for heating ink for generating bubbles; a plurality of metal-oxide semiconductor (MOS) field effect transistors (FETs) formed on the substrate for addressing the heaters and applying electric current to the heaters; first, second, and third interconnecting layers that are sequentially formed on the MOS FETs and electrically connected to each other for applying signals to the MOS FETs; a chamber layer for defining an ink chamber, which is filled with ink for ejection, on an upper portion of the heaters; and a nozzle layer having a nozzle, through which the ink is ejected, on an upper portion of the chamber layer.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: November 13, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: O-hyun Beak
  • Patent number: 7261395
    Abstract: An inkjet print head chip usable in an inkjet print head includes a semiconductor substrate having plural switching devices formed therein, plural heaters provided on upper sides of the switching devices and activated by the plural switching devices to heat ink, and metal wiring layers formed between the plural heaters and the switching devices which externally radiate some of the heat generated from the plural heaters.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: August 28, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: O-hyun Beak
  • Patent number: 7229158
    Abstract: An ink-jet print head and a method of making the same comprising the steps of sequentially laminating a heating layer and an electric conductive layer on a substrate, patterning the electric conductive layer to expose a predetermined area of the top surface of the heating layer, forming a protective layer on the top surfaces of the electric conductive layer and exposed heating layer, and laminating an ink chamber barrier and a nozzle plate on the top surface of the protective layer, thereby forming an ink chamber. The protective layer is provided by forming a cavitation layer by alternately laminating at least two types of thin film layers of different materials over the exposed heating layer and the electric conductive layer to resist fractures and oxidization resulting from use.
    Type: Grant
    Filed: August 16, 2004
    Date of Patent: June 12, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-joon Park, O-hyun Beak, Young-ung Ha, Jae-sik Min
  • Publication number: 20070046714
    Abstract: A method of detecting a state of a printhead and an image forming apparatus using the same. The image forming apparatus includes a power supply unit to generate power, a printhead unit having a plurality of heaters to generate heat according to a respective plurality of heat driving signals, a head board unit to transfer the generated power to the printhead unit and to generate the respective plurality of heat driving signals according to a nozzle control signal, and a controller to generate the nozzle control signal containing driving information of the plurality of heaters, to output the generated nozzle control signal to the head board unit, and to detect whether the respective heaters are in a normal state using information about a current flowing between the power supply unit and the head board unit.
    Type: Application
    Filed: June 21, 2006
    Publication date: March 1, 2007
    Applicant: SAMSUNG Electronics Co., Ltd.
    Inventors: O-hyun Beak, Young-bok Ju
  • Publication number: 20070046702
    Abstract: A method and apparatus of dot counting. The apparatus includes a nozzle portion having a length corresponding to a width of a printing medium, a dot counting unit to group head nozzles by position and to count a discharged dot count per line for each group, a control unit to determine whether the group has been used to print using the discharged dot count per line, a counter to count a number of times that the group is used to print based on the determination result, and a memory to store a sum of the counted numbers of times, in which the control unit controls the counter to count the number of times that the group is used to print with respect to each line of image data when the image data is created by a head chip, and a sum of the counted number of times is stored in the memory.
    Type: Application
    Filed: August 1, 2006
    Publication date: March 1, 2007
    Applicant: SAMSUNG Electronics Co., Ltd.
    Inventors: O-hyun Beak, Tae-kyun Kim